(19)

(11)

EP 2 057 351 A2

(12)

(88) Date of publication A3: 24.04.2008 (43) Date of publication: 13.05.2009 Bulletin 2009/20 (21) Application number: 07840983.6 (22) Date of filing: 15.08.2007

(51) International Patent Classification (IPC):  F01B 25/06(2006.01) (86) International application number: PCT/US2007/076021 (87) International publication number: WO 2008/022209 (21.02.2008 Gazette 2008/08)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 17.08.2006 US 505966 (71) Applicant: Broadstar Developments, LP Dallas, TX 75204 (US)	(72) Inventor: STEPHENS, Thomas, Glenn Grand Prairie, TX 75052 (US) (74) Representative: Fennell, Gareth Charles et al Kilburn & Strode LLP 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)